one hit mode, fix vertmeter

full height meters overflowed p8num range

vacuum_gambit.p8

@@ -338,11 +338,16 @@ function drawhud()
  inset(120,66,125,125)
  -- 57 px vertically
  local mxs, mxh = primary_ship.maxshield, primary_ship.maxhp
- local split = 57 * (mxs / (mxs + mxh-1)) \ 1 + 66
- line(121, split, 124, split, 0xba)
- vertmeter(121,67,124,split-1,primary_ship.shield, mxs,{204,220,221})
- vertmeter(121,split+1,124,124,primary_ship.hp-1, mxh-1, hpcols)
- fillp(0)
+ if mxs + mxh > 1 then
+  local split = 57 * (mxs / (mxs + mxh-1)) \ 1 + 66
+  line(121, split, 124, split, 0xba)
+  vertmeter(121,67,124,split-1,primary_ship.shield, mxs,{204,220,221})
+  vertmeter(121,split+1,124,124,primary_ship.hp-1, mxh-1, hpcols)
+ else
+  print("!", 122, 94, 9)
+  print("!", 121, 93, 8)
+ end
+  fillp(0)
 end
 
 function draw_gun_info(lbl,fgc,x,y,gun)
@@ -368,9 +373,9 @@ function draw_gun_info(lbl,fgc,x,y,gun)
 end
 
 function vertmeter(x0,y0,x1,y1,val,maxval,cols)
- if (val <= 0 or maxval <= 0) return
+ if ((val <= 0) or (maxval <= 0)) return
  local h = y1-y0
- local px = -flr(-(h*val)\maxval)
+ local px = val/maxval * h \ 1
  local ncols = #cols
  local firstcol = ((h-px)*ncols\h)+1
  local lastbottom = y0+(h*firstcol\ncols)
@@ -906,6 +911,11 @@ player = ship_m.new{
 mknew(player,
  function(p)
   p.main_gun = zap_gun.new()
+  -- ONE HIT MODE
+  -- p.hp = 1
+  -- p.maxhp = 1
+  -- p.shield = 0
+  -- p.maxshield = 0
  end
 )